ON TIMEBOARD

UA 5122 on time

United Airlines 5122: Eau Claire to Chicago at 2:30 p.m. (past 12 months)

On time
55%
182 flights · likely 48–63%
Cancelled
5.5%
of scheduled flights
Typical arrival
+8 min
median vs schedule
When late
+95 min
average delay
Similar flights
56%
UA, same route & hour

About 1 in 2 UA 5122 flights from Eau Claire arrived 15+ minutes late, diverted or cancelled over the past year (45%); 5.5% were cancelled. The typical flight landed 8 minutes late.

UA 5122: EAU → ORD

Scheduled to leave Eau Claire at 2:30 p.m. local time, operated by SkyWest as OO 5122. Over the past year it arrived on time 55% of the time (182 flights), in line with other UA flights on the route at that hour (56%). Last seen in the data Aug 10, 2026.

Usually United Airlines's last flight of the day from Eau Claire to Chicago (100% of days). United Airlines's last EAU–ORD flight was cancelled 5.4% of the time, against 4.2% for its earlier ones. If it's cancelled, the next United Airlines flight is usually around 5:00 a.m. the next morning.

Month by month

40%70%100%Apr 2025: 76% on time (21 flights)76AprAug 2025: too few flights (9 flights)AugSep 2025: 75% on time (20 flights)75SepOct 2025: 72% on time (18 flights)72OctDec 2025: 57% on time (23 flights)57DecJan 2026: 45% on time (22 flights)45JanFeb 2026: 50% on time (20 flights)50FebMar 2026: 60% on time (20 flights)60MarMay 2026: too few flights (8 flights)MayJun 2026: 48% on time (21 flights)48JunJul 2026: 48% on time (23 flights)48JulAug 2026: too few flights (7 flights)Aug

By day of week

DayFlightsOn time
Monday3656%
Tuesday2—
Wednesday3161%
Thursday3557%
Friday3757%
Saturday6—
Sunday3546%

Why it was late

Late inbound plane 56%Severe weather 17%Air traffic & airport (NAS) 14%Airline (crew, maintenance, ops) 13%

All flights EAU → ORD · Connecting off UA 5122? Check the risk

Questions

How often is UA 5122 from EAU to ORD late?

United Airlines 5122 from Eau Claire, WI to Chicago, IL arrived 15 or more minutes late, was diverted or was cancelled on 45% of 182 scheduled flights between September 2025 and August 2026. 5.5% were cancelled.

Flight numbers change. Figures cover flights with this airline, number and route only. "Likely range" is the 95% interval for the true on-time rate given the number of flights. This is history, not live status: check United Airlines for today's flight. Method.